When the filter of construction machinery such as excavator works for a period of time and more dust is adsorbed on the filter element, the air resistance through the filter of construction machinery such as excavator will increase. When the resistance of the circulating gas is higher than 6.3KPa, the air filter blockage sensor installed between the air filter and the turbocharger will transmit the signal to the air filter blockage indicator on the dashboard, and when the indicator light turns on The air filter should be maintained at that time.
Reasons for filter failures of construction machinery such as excavators and troubleshooting methods:
1. Malfunction: The engine is weak and emits black smoke:
The cause of the failure:
①the filter element is clogged.
Remedy: Blow clean the filter element or replace the filter element.
②the air filter sucks in paper scraps or rags.
Remedy: clean up.
③rainwater enters the air filter.
Remedy: Dry the filter element or replace it.
2. Malfunction: The engine is grinding early.
The cause of failure:
①short circuit of intake air.
Remedy: Check for error prevention.
②the filter element is broken and the loss is effective.
Remedy: replace.
③the dust bag is invalid.
Remedy: replace.
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Post time: Aug-13-2021